<template>
    <div class="photos-container">
		<!-- 顶部 -->
		<div id="slider" class="mui-slider">
				<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
					<div class="mui-scroll">
						<a :class="['mui-control-item',item.id==0?'mui-active':'']" v-for="item in cates" :key="item.id" @click="getPictureListByCatesId(item.id)">
							{{item.title}}
						</a>
						
					</div>
				</div>

			</div>
		<!-- 图片显示区域 -->
		<ul class="photo-list">
			<router-link v-for="item in list" :key="item.id" :to="'/home/photosInfo/'+item.id" tag="li">
				<img v-lazy="item.img_url">
				<div class="info">
					<h1 class="info-title">{{ item.title}}</h1>
					<div class="info-body">{{ item.zhaiyao}}</div>
				</div>
			</router-link>
		</ul>		
    </div>
</template>
<script>
//导入mui js包
import mui from "../../lib/mui/js/mui.min.js";

export default {
  data() {
    return {
      cates: [], //所有分类数据
      list: [] //图片数组
    };
  },
  created() {
    this.getAllCatesgory();
    this.getPictureListByCatesId(0);
  },
  mounted() {
    //初始化滑动模块
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0006 //阻尼系数,系数越小滑动越灵敏
    });
  },
  methods: {
    getAllCatesgory() {
      //获取所有图片数据
      this.$http.get("api/getimgcategory").then(result => {
        if (result.body.status === 0) {
          result.body.message.unshift({ title: "全部", id: 0 });
          this.cates = result.body.message;
        }
      });
    },
    getPictureListByCatesId(cateId) {
      this.$http.get("api/getimages/" + cateId).then(result => {
        if (result.body.status === 0) {
          result.body.message.forEach(item => {
            item.img_url = item.img_url.replace("com", "com/");
          });
					this.list = result.body.message;
					console.log(this.list);
        }
      });
    }
  }
};
</script>
<style lang="scss" scoped>
* {
  touch-action: pan-y;
}
.photos-container {
  padding-left: 10px;
  padding-right: 10px;
}
.photo-list {
  text-align: center;
  margin: 0;
  padding: 0;
  li {
    list-style: none;
    background-color: #ccc;
    text-align: center;
    position: relative;
    margin-bottom: 10px;
    box-shadow: 0 0 9px #999;
    img {
      width: 100%;
      vertical-align: middle;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info {
      color: white;
      text-align: left;
      position: absolute;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      max-height: 84px;
      .info-title {
        font-size: 14px;
      }
      .info-body {
        font-size: 13px;
      }
    }
  }
}
</style>


